One problem related to service brakes has been reported for the 1997 Nissan Sentra. The most recently reported issues are listed below.
Was driving home from work on the freeway doing about 70 mph when there was a wreck on the hwy, to avoid further collisions up to 5 cars in front of me locked up their brakes, the truck in front of me locked up his brakes, & I locked up my brakes, & my front end went down, my brakes locked up, my car slid under the truck in front of me, & neither air-bag deployed! my front end buckled up I count 3 failures, the brakes being 1st, 2nd, & 3rd being air bags. (drivers, & passenger. There has not yet been any action to correct the failure, this is the first thing my wife has done. I did have a passenger in my car, & being as I rear-ended the truck in front of me I am having to pay for damages. Minor compared to the damage to my car. No deaths but both were pretty banged up!.